The year is 1972 the Cold War is far from over & Serena Frome in her final year at Cambridge is being groomed for MI5 Sent on Operation Sweet Tooth
- a highly secret undercover mission
- she meets Tom Haley a promising young writer First she loves his stories then she begins to love the man Can she maintain the fiction of her undercover life? & who is inventing whom? To answer these questions Serena must abandon the first rule of espionage
- trust no one